demarches-normaliennes/app/views/layouts/_matomo.html.haml

:javascript
  var _paq = _paq || [];
  // Configure Matomo analytics
  _paq.push(["setCookieDomain", "*.www.demarches-simplifiees.fr"]);
  _paq.push(["setDomains", ["*.www.demarches-simplifiees.fr"]]);
  _paq.push(["setDoNotTrack", true]);
  _paq.push(['trackPageView']);
  _paq.push(['enableLinkTracking']);

  // Load script from Matomo
  (function() {
    var u="//stats.data.gouv.fr/";
    _paq.push(['setTrackerUrl', u+'piwik.php']);
    _paq.push(['setSiteId', '73']);
    var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
    g.type='text/javascript'; g.async=true; g.defer=true; g.src=u+'piwik.js'; s.parentNode.insertBefore(g,s);
  })();

  // Send Matomo a new event when navigating to a new page using Turbolinks
  // (see https://developer.matomo.org/guides/spa-tracking)
  (function() {
    var previousPageUrl = null;
    addEventListener('turbolinks:load', function(event) {
      if (previousPageUrl) {
        _paq.push(['setReferrerUrl', previousPageUrl]);
        _paq.push(['setCustomUrl', window.location.href]);
        _paq.push(['setDocumentTitle', document.title]);
        if (event.data && event.data.timing) {
          _paq.push(['setGenerationTimeMs', event.data.timing.visitEnd - event.data.timing.visitStart]);
        }
        _paq.push(['trackPageView']);
      }
      previousPageUrl = window.location.href;
    });
  })();